| Index | Grenville | Quebec | National | 
| Cost of living | 71 | 82 | 100 | 
| Goods & Services | 84 | 84 | 100 | 
| Groceries | 100 | 100 | 100 | 
| Health care | 102 | 102 | 100 | 
| Housing | 26 | 62 | 100 | 
| Transportation | 100 | 100 | 100 | 
| Utilities | 84 | 84 | 100 | 
| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | 
| State | General Sales Tax | With Max Surtax | 
| Quebec | 9.975% | 14.975% | 
| State | Income Tax (Low) | Income Tax (High) | 
| Quebec | 15% | 25.75% | 
| Item | Grenville | National avg. | Difference | 
| Personal Care | $106.00 | $94.33 | 12.4% | 
| Recreation | $98.00 | $102.33 | 4.2% | 
| Item | Grenville | National avg. | Difference | 
| Meat, Poultry and Fish | $100.00 | $102.27 | 2.2% | 
| Dairy Products and Eggs | $102.00 | $104.67 | 2.5% | 
| Bakery and Cereal Products | $103.00 | $111.67 | 7.8% | 
| Fruit and Vegetables | $99.00 | $113.40 | 12.7% | 
| Alcoholic Beverages | $92.00 | $105.80 | 13.0% | 
| Item | Grenville | National avg. | Difference | 
| Doctor | $98.00 | $101.07 | 3.0% | 
| Item | Grenville | National avg. | Difference | 
| Home Price ($) | $n/a | $659,395.00 | 100.0% | 
| Apartment Rent ($) | $n/a | $2,146.00 | 100.0% | 
| Item | Grenville | National avg. | Difference | 
| Gasoline | $104.00 | $102.07 | 1.9% | 
| Item | Grenville | National avg. | Difference | 
| All Electricity | $98.00 | $98.60 | 0.6% | 
| City | Population | Cost of Living Index | National Avg. | 
| Fassett, QC | 420 | 81 | 19.5% | 
| Hawkesbury, ON | 10,526 | 71 | 28.7% | 
| Brownsburg-Chatham, QC | 7,209 | 71 | 28.6% | 
| Grenville-sur-la-Rouge, QC | 2,904 | 81 | 18.9% | 
| Lachute, QC | 13,184 | 72 | 28.1% | 
| Grenville, QC | 1,826 | 71 | 29.0% | 
| City | Population | Cost of Living Index | National Avg. | 
| Superior, NE | 1,826 | n/a | |
| Towamensing Trails, PA | 1,826 | n/a | |
| Romney, WV | 1,826 | n/a | |
| Comer, GA | 1,825 | n/a | |
| Prairie City, IA | 1,827 | n/a | |
| Grenville, QC | 1,826 | 71 | 29.0% |